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Published on: 7/9/2025

What are the differential diagnoses for unilateral tonsillar enlargement?

Unilateral tonsillar enlargement can be caused by infections, cancers like lymphoma, or other conditions, and should be evaluated by a healthcare provider.

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Explanation

Unilateral tonsillar enlargement means that one tonsil is bigger than the other. This can happen for several reasons:

  1. Infections: Sometimes, a sore throat or other infections can cause one tonsil to swell more than the other.

  2. Lymphoma: This is a type of cancer that can affect the tonsils, making one side grow larger.

  3. Other Conditions: Other health issues might also cause one tonsil to get bigger.

It is important to see a healthcare provider to find out why one tonsil is bigger. They can help figure out the cause and decide if any treatment is needed. Each person's situation is different, so getting a check-up is a good idea if you notice this happening.

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